Finding the Fourth Proportional to 418,643.36, 577,753.08 and 246,675.97
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Solution
The fourth proportional to 418,643.36, 577,753.08 and 246,675.97 is: 340,427.71
Step by Step Solution
- Step 1: Write the proportion equation
418,643.36 : 577,753.08 = 246,675.97 : x - Step 2: Convert to fraction form
418,643.36/577,753.08 = 246,675.97/x - Step 3: Cross multiply
418,643.36x = 577,753.08 × 246,675.97 - Step 4: Simplify right side
418,643.36x = 142,517,801,429.49 - Step 5: Solve for x
x = 142,517,801,429.49/418,643.36 - Step 6: Final answer
x = 340,427.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.